313231341431 has 8 divisors (see below), whose sum is σ = 328134100800. Its totient is φ = 298602027360.

The previous prime is 313231341427. The next prime is 313231341473. The reversal of 313231341431 is 134143132313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313231341431 - 2² = 313231341427 is a prime.

It is a super-2 number, since 2×313231341431² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313231341394 and 313231341403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313231341421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68358980 + ... + 68363561.

It is an arithmetic number, because the mean of its divisors is an integer number (41016762600).

Almost surely, 2^313231341431 is an apocalyptic number.

313231341431 is a deficient number, since it is larger than the sum of its proper divisors (14902759369).

313231341431 is a wasteful number, since it uses less digits than its factorization.

313231341431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136722649.

The product of its digits is 7776, while the sum is 29.

Adding to 313231341431 its reverse (134143132313), we get a palindrome (447374473744).

The spelling of 313231341431 in words is "three hundred thirteen billion, two hundred thirty-one million, three hundred forty-one thousand, four hundred thirty-one".